#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#define MAX(X,Y) ((X)>(Y)?(X):(Y))

#define M 10

int main()
{
	int a = 3;
	int b = 5;
	int m = MAX(a, MAX(M, 3));
	//         
	printf("M = %d\n", m);
	printf("a = %d\n", a);
	printf("b = %d\n", b);


	return 0;
}